Pennsylvania State Police, Chambersburg, said in a release that the incident happened while Adkins was in an argument with his father, Samuel Grady Adkins II, 52, between midnight and 1:38 a.m. Tuesday.

The younger Adkins allegedly used a shotgun and fired once at his father, hitting him in the upper arm.

State police were contacted at 1:32 a.m. by Meritus Medical Center in Hagerstown, Md., where the elder Adkins had been taken by a personal vehicle, according to the release. He was still undergoing surgery at the time the hospital called police.

Adkins III was taken into custody without incident in Washington County (Md.) Sheriff's Department, according to the release.

Adkins is awaiting extradition back to Pennsylvania, according to the release.